Cot^(2)x(1+tan^(2)x) What is the answer and the solution for this equation?

1 Answer
Mar 5, 2018

#cot^2x(1+tan^2x)=csc^2x#

Explanation:

This is not an equation, as sign of equality is not there. However, we can simplify it as shown below.

#cot^2x(1+tan^2x)#

= #cot^2x+cot^2x xx tan^2x# - as #cotx xxtanx=1#

= #cot^2x+1#

= #csc^2x#